Increment and Decrement Operators

#include<stdio.h>
#include<math.h>
// All  prefix and postfix (increment,decrement) operators
int main()
{
    int a,b;
    float c,d;
    printf(" Enter  integer values of a,b: \n");
    scanf("%d %d",&a,&b);
    printf("Enter float values of c,d: \n");
    scanf("%f %f",&c,&d);

    printf("++a = %d \n", ++a);//for prefix increment
    printf("--b = %d \n", --b);//for prefix decrement
    printf("++c = %f \n", ++c);//for prefix increment
    printf("--d = %f \n", --d);//for prefix decrement

    printf("a++ = %d \n", a++);//for postfix increment
    printf("b-- = %d \n", b--);//for postfix decrement
    printf("c++ = %f \n", c++);//for postfix increment
    printf("d-- = %f \n", d--);//for postfix decrement

     return 0;
     }